12222233 has 4 divisors (see below), whose sum is σ = 12237840. Its totient is φ = 12206628.

The previous prime is 12222211. The next prime is 12222241. The reversal of 12222233 is 33222221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33222221 = 179 ⋅185599.

It is a cyclic number.

It is not a de Polignac number, because 12222233 - 2¹⁴ = 12205849 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12222283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6563 + ... + 8216.

It is an arithmetic number, because the mean of its divisors is an integer number (3059460).

Almost surely, 2^12222233 is an apocalyptic number.

It is an amenable number.

12222233 is a deficient number, since it is larger than the sum of its proper divisors (15607).

12222233 is an equidigital number, since it uses as much as digits as its factorization.

12222233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15606.

The product of its digits is 288, while the sum is 17.

The square root of 12222233 is about 3496.0310353314. The cubic root of 12222233 is about 230.3475087085.

Adding to 12222233 its reverse (33222221), we get a palindrome (45444454).

The spelling of 12222233 in words is "twelve million, two hundred twenty-two thousand, two hundred thirty-three".